Thrashing-machine



(No Model.) 3 Sheets-Sheet 1. J. 0. SCHNEIDER.

THRASHING MACHINE. No. 274,395. Patented Mar. 20,1888.

WITNESSES I NVENTOR.

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(No Model.) 3 Sheets-Sheet 2.- J. G. SCHNEIDER.

THRASHING MACHINE.

No. 274,395. Patented Mar.20, 1883.

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f'fl, ATTORNEYS (No Model.) 3 Sheets-Sheet 3. J. G. SCHNEIDER.

THRASHING MACHINE. 4 No. 274,395. Patented Mar.20,1883.

WITNESSES I ENTOR.

- V a V m ATTORNEYS.

UNITED STATES PATENT Grinch.

JOHN C. SCHNEIDER, OF HUDSON, VVISUONSIN.

THRASHING-MACHlNE.

SfPECIFIGATION forming, part of Letters Patent No. 274,395, dated March20, 1883. Application filed January 9, 1883. (No model.)

To all whom it may concern Be it known that I, JOHN G. SCHNEIDER, ofHudson, in the county of St. Croix and State of Wisconsin, have inventedcertain new-and useful Improvements in Thrashing-lliachines and Idohereby declare that the followingis a full, clear, and exact descriptionof the invention, which will enable others skilled in the art to whichit appertains to make and use the same, reference being bad to the accompanyingdrawings, which form a part of this specification, and in which-Figure 1 is a longitudinal vertical sectional view ofmyimprovedthrashing-machine. Fig. 2 is a top view of the separators. Fig. 3 is avertical cross-section of the same. Fig. 4 is a detail top view of thepitmen operating the separators. Fig. 5 isadeta-il side view ofthe same;and Fig. 6 is a detail view, showing one of the endless screws feedingthe grain to the discharge-chute and the nnthrashed ears to the elevatorcarrying it back to the cylinder.

The same letters of reference indicate the same or corresponding partsin all-the figures.

My invention has relation to thrashing-machines; and it consists in theimproved coustrnction and combination of parts of the separating anddischarging mechanisms,as will be hereinafter more fully described andclaimed.

In the accompanying drawings, the letterA indicates the casing or frameof the machine,

' containing the several operative parts.

B is the feed-hopper through which the grain is fed to thethrashing-cylinder O and the beater D, which aids in beating the loosegrain out of the straw as it passes under it to the separators. Theseseparators consist of a series of long narrow screens, E, havinglongitudinal grooves F in their upper surface again are fastened to aoross-piece, N, and the cross-pieces H and N are operated by means ofpitmen and arms in such a manner that the screens and the boards willhave an alternating upward and rearward vibratory motion, by which thegrain is shaken out of the straw, and the straw is at the same timecarried rearward and out of the machine.

The pitmen and arms operating the screens and boards are shown in detailin Figs. 4 and 5, and consist of two pitmen, 0, connected at 7 patentedin the thrashing-machine for which.

Letters Patent No. 267,599 were granted to myself and HansGhristofferson on the 14th of November, 188:5. The lower ends, S, of thearms Q extend beyond the pins R and rock in segmental plates Tupontheframe as the crankshaft revolves. Two spiral springs, U, are fastenedin the ends of the plate T, and bear with their free ends againstthe sides'of the end of the arm, cushioning its motion and taking up alljars. The pitmen O operate the screens, and similar pit-men,V, operatethe boards L, in conjunction with the arms W, which are of the sameconstruction as the pitmen, but pivoted upon pins X in the frame. Thepitmen and crank-shaft operate the screens in the rear end of themachine, while the screens and boards are supported in the forward endof the machine by means of arms Yand Z, constructed and fastened in thesame manner as the arms this shaft are placed sleeves 2', having aspiral-tlange,j, and a notch, 70, in one end and a projection, l, in the otherend, which fits into the notch of the adjoining sleeve, the ends of thespiral flanges fitting to each other, so as to form one continuousflange. A nut, m, is screwed upon the other end of the shaft, inside thebearin g, clamping the sleeves between it and collar h, so as to holdthem firmly. In this manner, it part of the conveyer is inj ured byaccident or wear, one or two sleeves may be removed and replaced withnew sleeves without the necessity of replacing the whole conveyor. Asimilar conveyer, n, is placed at the bottom of the rear end of thet'rame,-which conveys unthrashed heads and grain passed over thecleaner-screens to an elevator, 0,which carries it to an inclined board,1), from which it falls into the feed-hopper and is thrashed again.

Having thus described myinvention, I claim and desire to. secure byLetters Patent of the United States- 1. In combination with the screensof a grain-separator, the crank-shaft P, pitmen O and V, and arms Q andW, substantially as shown and set forth.

2. The combination, with the screens in a grain-separator, of thecrank-shaft P, pitmen O, armQ, pivoted at R, and having short end' S,segmental plate T, and spiral springs U U at both ends, bearing withtheir free ends against the end S of arm Q, as and for the purpose shownand set forth.

3. In a grain-separator for thrashing-m achines, the combination of thescreens E, pivoted cross-pieces H, arms V, pitmen O and arms Q, pivotedboards L, placed edgewise,

alternating with screens E, arms Z, and pit- In testimony that I claimthe foregoing as, my own I have hereunto affixed my signature inpresence of two witnesses.

JOHN G. SGHNE IDER.

Witnesses:

ALFRED J. Goss, DAVID C. FULTON.

